Mass clean up: don't cast class when not needed.

Bug: none
Test: rebuild
Change-Id: Ie3f58a3d5ae99ade28a33dcac80c18de90d4d5b2

src/com/android/settings/accounts/RemoveAccountPreferenceController.java

@@ -66,8 +66,7 @@ public class RemoveAccountPreferenceController extends AbstractPreferenceControl
     @Override
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
-        final LayoutPreference removeAccountPreference =
-                (LayoutPreference) screen.findPreference(KEY_REMOVE_ACCOUNT);
+        final LayoutPreference removeAccountPreference = screen.findPreference(KEY_REMOVE_ACCOUNT);
         Button removeAccountButton = (Button) removeAccountPreference.findViewById(R.id.button);
         removeAccountButton.setOnClickListener(this);
     }